Cheapest return flights from New York to Keflavik in March from 536€

AirHint found the following cheapest return flights from New York (LGA) to Keflavik (KEF) in March 2026 (see full year).

Return flights

15 Mar - 23 Mar Air Canada
10 Mar - 18 Mar Spirit Airlines
10 Mar - 16 Mar Scandinavian Airlines
25 Mar - 01 Apr Frontier Airlines
31 Mar - 07 Apr Frontier Airlines
25 Mar - 02 Apr Frontier Airlines
17 Mar - 20 Mar Scandinavian Airlines
10 Mar - 15 Mar Scandinavian Airlines
17 Mar - 21 Mar Scandinavian Airlines
30 Mar - 04 Apr Porter Airlines (Canada) Ltd
04 Mar - 12 Mar Spirit Airlines
28 Mar - 03 Apr Porter Airlines (Canada) Ltd
24 Mar - 29 Mar Spirit Airlines
12 Mar - 21 Mar Air Canada
28 Mar - 01 Apr Porter Airlines (Canada) Ltd
27 Mar - 10 Apr Porter Airlines (Canada) Ltd
25 Mar - 29 Mar Spirit Airlines
28 Mar - 09 Apr Porter Airlines (Canada) Ltd
27 Mar - 05 Apr Frontier Airlines
27 Mar - 04 Apr Frontier Airlines

Also check the deals for one-way flights from New York to Keflavik in March.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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